package com.zhaorl.domain;

import com.alibaba.fastjson.annotation.JSONField;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @Description 用于将User对象封装成UserDetails对象
 * @Author zhaorl
 * @Date 2023/3/28 16:00
 */
@Data
@NoArgsConstructor
public class LoginUser implements UserDetails {

    private User user;

    // 权限列表
    private List<String> permissions;

    public LoginUser(User user, List<String> permissions) {
        this.user = user;
        this.permissions = permissions;
    }

    // 存储SpringSecurity所需要的权限信息的集合
    @JSONField(serialize = false)
    private List<GrantedAuthority> authorities;

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if (authorities != null){
            return authorities;
        }
        /*
        链式转换方法
         */
        authorities = permissions.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());
        return authorities;
    }

    @Override
    public String getPassword() {
        return user.getPassword();
    }

    @Override
    public String getUsername() {
        return user.getUserName();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}
